Fixing function name length.

- Update copyright year

- Add exports from Daniel Beulshausen

Allow get_current_key() not to return the key itself, instead of a duplicate

Hardcode strlen due to problems on SCO OpenServer 5.0.4 which defines
strlen to __std_hdr_strlen.

Fix memory leak - get_current_key mallocs it's result, no need to
copy it.

Update class constants before trying to get default properties.

Sterling's patch to make get_defined_vars() simpler and better.

- Fix copy&paste bug

- Add another patch from Sterling.

- Preliminary commit of Sterlings get_defined_functions()/get_defined_vars
functions

- Cleanup error output

Made get_included_files() work again, in somewhat different way

Make compile_string() accept a description of the code

Fix memory overrun.

Fix crash with trigger_error having no args (#6549)

- Don't define this function in non-debug mode

The patch we promised - redesigned the compilation/execution API:
Advantages:
- Smaller memory footprint for the op arrays
- Slightly faster compilation times (due to saved erealloc() cal

The patch we promised - redesigned the compilation/execution API:
Advantages:
- Smaller memory footprint for the op arrays
- Slightly faster compilation times (due to saved erealloc() calls and faster zend_op
initialization)
- include_once() & require_once() share the same file list
- Consistency between include() and require() - this mostly means that return()
works inside require()'d files just as it does in include() files (it used to
be meaningless in require()'d files, most of the time (see below))
- Made require() consistent with itself. Before, if the argument was not a constant
string, require() took the include() behavior (with return()).
- Removed lots of duplicate code.
Bottom line - require() and include() are very similar now; require() is simply an include()
which isn't allowed to fail. Due to the erealloc() calls for large op arrays, require()
didn't end up being any faster than include() in the Zend engine.

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Make define return false and issue E_NOTICE when trying to redefine constant
@- Make define return false and issue E_NOTICE when trying to redefine constant (Stas)

Add strncasecmp function
@ Added strncasecmp function (Andi)

Forgot to link this function...

Improve register_resource_ex() infrastructure

error_reporting fix

- Add restore_error_handler()
error_handler's are now stored in a stack

Make Egon happy :)